// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_COMMON_SERVICE_INFO_H_
#define CONTENT_PUBLIC_COMMON_SERVICE_INFO_H_

#include <memory>

#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "base/single_thread_task_runner.h"
#include "content/common/content_export.h"

namespace service_manager {
class Service;
}

namespace content {

// ServiceInfo provides details necessary to construct and bind new instances
// of embedded services.
struct CONTENT_EXPORT ServiceInfo {
    using ServiceFactory = base::Callback<std::unique_ptr<service_manager::Service>()>;

    ServiceInfo();
    ServiceInfo(const ServiceInfo& other);
    ~ServiceInfo();

    // A factory function which will be called to produce a new Service
    // instance for this service whenever one is needed.
    ServiceFactory factory;

    // The task runner on which to construct and bind new Service instances
    // for this service. If null, behavior depends on the value of
    // |use_own_thread| below.
    scoped_refptr<base::SingleThreadTaskRunner> task_runner;

    // If |task_runner| is null, setting this to |true| will give each instance of
    // this service its own thread to run on. Setting this to |false| (the
    // default) will instead run the service on the main thread's task runner.
    //
    // If |task_runner| is not null, this value is ignored.
    bool use_own_thread = false;
};

} // namespace content

#endif // CONTENT_PUBLIC_COMMON_SERVICE_INFO_H_
